Liquid-liquid-solid Equilibrium for Two Quaternary Systems Potassium Chloride plus Rubidium Chloride+1/2-Propanol+Water at 25 °C

被引：2

作者：

Guo Hai-Yan ^{[1
]}

Hu Man-Cheng ^{[1
]}

Zhai Quan-Guo ^{[1
]}

Li Shu-Ni ^{[1
]}

Jiang Yu-Cheng ^{[1
]}

Wang Mei-Xia ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Sch Chem & Mat Sci, Key Lab Macromol Sci Shaanxi Prov, Xian 710062, Shaanxi, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2008年 / 26卷 / 12期

基金：

中国国家自然科学基金;

关键词：

potassium chloride; rubidium chloride; 1/2-propanol; quaternary system; liquid-liquid-solid equilibrium; Eisen-Joffe equation;

D O I：

10.1002/cjoc.200890388

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The phase equilibria of two quaternary systems K+, Rb+//Cl-1/2-C3H7OH, H2O have been investigated at 25 degrees C. The liquid-solid phase equilibrium of ternary system KCl+RbCl+H2O has been determined. The liquid-liquid-solid phase equilibrium of the five different KCl/RbCl mass factions (from 1/0, 0.75/0.25, 0.5/0.5, 0.25/0.75 to 0/1) in the mixed solvent of 1/2-C3H7OH-H2O was investigated. The integrated phase diagrams were drawn for two quaternary systems and the salting effects of the 1/2-C3H7OH were discussed. The results of the fitting for liquid-liquid data by a five-coefficient equation and the tie line data by the Eisen-Joffe equation are reasonable.

引用

页码：2179 / 2184

页数：6

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